/*
 * Copyright (c) 2010-2011, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_OPENGL_INTERNAL_H_INCLUDED_
#define ALKES_OPENGL_INTERNAL_H_INCLUDED_

#include "alkes/internal.h"
#include "alkes/media/PixelFormat.h"


#if ALKES_API_WIN32
#if defined(ALKES_OGL_EXPORTS)
#define AL_OGL_EXPORT   __declspec(dllexport)
#else
#define AL_OGL_EXPORT   __declspec(dllimport)
#endif
#else
#define AL_OGL_EXPORT
#endif

#if defined(__cplusplus)
#define AL_OGL_EXPORT_API   extern "C" AL_OGL_EXPORT
#else
#define AL_OGL_EXPORT_API   extern AL_OGL_EXPORT
#endif


#if !defined(ALKES_GLES) && !defined(ALKES_GLES2) && !defined(ALKES_WGL)

// Select WGL on Windows platform.
#if ALKES_API_WIN32
#define ALKES_WGL
#endif

// FIXME: Select other.


#elif defined(ALKES_GLES) || defined(ALKES_GLES2)
#define ALKES_EGL
#endif

// Disable OpenGL version
#if (defined(ALKES_GLES) || defined(ALKES_GLES2)) && defined(ALKES_OPENGL_VERSION)
#undef ALKES_OPENGL_VERSION
#endif

// Set default OpenGL version
#if !defined(ALKES_GLES) && !defined(ALKES_GLES2)
#if !defined(ALKES_OPENGL_VERSION)
#define ALKES_OPENGL_VERSION    (20)
#endif
#endif


// Define some compile switch
#if defined(ALKES_WGL)
#define ALKES_OPENGL_LOAD_EXT
#endif

#endif
